| Olhao to Chivasso | 991.53 mi (1,595.72 km) |
| Olhao to Ciampino | 1,136.76 mi (1,829.43 km) |
| Olhao to Cicciano | 1,228.27 mi (1,976.71 km) |
| Olhao to Cingoli | 1,190.47 mi (1,915.88 km) |
| Olhao to Cinisello Balsamo | 1,060.09 mi (1,706.05 km) |
| Olhao to Cinisi | 1,146.67 mi (1,845.39 km) |
| Olhao to Cirie | 980.90 mi (1,578.60 km) |
| Olhao to Ciro Marina | 1,361.03 mi (2,190.37 km) |
| Olhao to Cislago | 1,052.69 mi (1,694.14 km) |
| Olhao to Cisterna di Latina | 1,145.95 mi (1,844.23 km) |
| Olhao to Cisternino | 1,378.34 mi (2,218.23 km) |
| Olhao to Citta di Castello | 1,145.07 mi (1,842.80 km) |
| Olhao to Citta Sant'Angelo | 1,218.79 mi (1,961.44 km) |
| Olhao to Cittadella | 1,174.96 mi (1,890.91 km) |
| Olhao to Cittanova | 1,307.65 mi (2,104.45 km) |
